<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    .box{
        width: 230px;
        height: 160px;
        /* background: white;
        background-image: linear-gradient(90deg,
        rgba(200,0,0,.5) 50%, transparent 0),
        linear-gradient(
        rgba(200,0,0,.5) 50%, transparent 0);     */
        background: #58a;
        background-image:
        linear-gradient(white 1px, transparent 0),
        linear-gradient(90deg, white 1px, transparent 0);
        background-size: 30px 30px;
    }
    </style>
</head>
<body>
    <div class="box">

    </div>
</body>
</html>